How long does Arm & Hammer baking soda last?

Arm & Hammer baking soda has an impressive shelf life. When stored in a cool, dry, and moisture-free environment, our baking soda can maintain its freshness and effectiveness for an extended period. Generally, an unopened box of Arm & Hammer baking soda can last indefinitely. However, once opened, it is recommended to use within a reasonable time frame for optimal results. By sealing the box tightly between uses and avoiding exposure to moisture, our baking soda can be used effectively for countless applications, including cleaning, deodorizing, baking, and more. With Arm & Hammer baking soda, you can confidently rely on its long-lasting freshness to fulfill your household needs.